@misc{indiciae89919ae509cd,
  title = {Geologic map of the Lansberg P region of the Moon Lunar Orbiter Site III P-9, Oceanus Procellarum including Apollo landing site 7 (Apollo 12)},
  author = {H. A. Pohn},
  year = {1971},
  doi = {10.3133/i627},
  url = {https://pubs.usgs.gov/publication/i627},
  note = {Source identifier: i627}
}